package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class ForTest {
    public static void main(String[] args) {
        int i=1;
        for (;i<=19;){
            System.out.println(i);
            i++;
        }
        for(;;){
            System.out.println("这是一个死循环。。。");
        }
    }
}
